How many pieces of installation flange are required for Ningbo electric cement butterfly valve? Many products have their own advantages in the process of use, of course, the same is true for electric butterfly valves. What are the advantages in the process of use? It is an invisible guarantee for us to make better use of it by confirming relevant matters in advance and clarifying specific practical advantages. When we pay attention to these practical aspects in advance, we will see the advantages of the product itself, and naturally we will better choose. After all, this has a very serious impact on us.
、 Pneumatic ball valves can be divided into straight through type, three-way type and right angle type according to their channel positions. The latter two ball valves are used to distribute media and change the flow direction of media.